Everyone is sick of spam, particularly overburdened IT managers who have to deal with it on a day-to-day basis. The Sender ID initiative could ease the burden on administrators, users, company resources, and Internet infrastructure.

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Will SPF/Microsoft Hybrid Stop SMTP Burn?

As an IT manager, you're more likely than an end user to recognize spam
as a problem in the workplace, and to predict that spam will be a
message-related problem you'll still be dealing with in 2007, according to
InsightExpress, a
Stamford, CT research firm. But not only do IT personnel bear the technical
burden of spam; the department must also field the complaints when users get fed
up. Now an initiative is underway that lets administrators take matters into
their own hands, and reduce the amount of spam the servers downloadwithout
requiring blacklists, fee-based mail, challenge/response schemes, or content
filters. Before I describe the Sender ID approach to the problem, though,
let's look at the problem as Sender ID attacks it.